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MachineBasicBlock: Add liveins() method returning an iterator_range

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245895 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun
2015-08-24 22:59:52 +00:00
parent b7e01a085a
commit 56dd2d0886
20 changed files with 65 additions and 91 deletions
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lib/CodeGen/MachineBasicBlock.cpp
+6 -7
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@@ -278,8 +278,9 @@ void MachineBasicBlock::print(raw_ostream &OS, ModuleSlotTracker &MST,
if (!livein_empty()) {
if (Indexes) OS << '\t';
OS << " Live Ins:";
for (livein_iterator I = livein_begin(),E = livein_end(); I != E; ++I)
OS << ' ' << PrintReg(*I, TRI);
for (unsigned LI : make_range(livein_begin(), livein_end())) {
OS << ' ' << PrintReg(LI, TRI);
}
OS << '\n';
}
// Print the preds of this block according to the CFG.
@@ -322,8 +323,7 @@ void MachineBasicBlock::printAsOperand(raw_ostream &OS,
}
void MachineBasicBlock::removeLiveIn(unsigned Reg) {
std::vector<unsigned>::iterator I =
std::find(LiveIns.begin(), LiveIns.end(), Reg);
livein_iterator I = std::find(LiveIns.begin(), LiveIns.end(), Reg);
if (I != LiveIns.end())
LiveIns.erase(I);
}
@@ -804,9 +804,8 @@ MachineBasicBlock::SplitCriticalEdge(MachineBasicBlock *Succ, Pass *P) {
i->getOperand(ni+1).setMBB(NMBB);
// Inherit live-ins from the successor
for (MachineBasicBlock::livein_iterator I = Succ->livein_begin(),
E = Succ->livein_end(); I != E; ++I)
NMBB->addLiveIn(*I);
for (unsigned LI : Succ->liveins())
NMBB->addLiveIn(LI);
// Update LiveVariables.
const TargetRegisterInfo *TRI = MF->getSubtarget().getRegisterInfo();